USP number USP Description Recommended columns L1 Octadecyl silane chemically bonded to porous silica or ceramic micro-particles, 1.5 to 10µm in diameter, or a monolithic rod. TSKgel ODS-100V, TSKgel ODS-100Z, TSKgel ODS-100S, TSKgel Super-ODS, TSKgel ODS-80TM, TSKgel ODS-80Ts, TSKgel ODS-120A, TSKgel ODS-120T L7 Octylsilane chemically bonded to totally porous silica particles, 1.5 to 10µm in diameter, or a monolithic silica rod. TSKgel Super-Octyl, TSKgel Octyl-80Ts L8 An essentially monomolecular layer of aminopropylsilane chemically bonded to totally porous silica gel support, 3 to 10µm in diameter. TSKgel NH2-60 L9 Irregular or spherical, totally porous silica gel having a chemically bonded, strongly acidic cation-exchange coating, 3 to 10µm in diameter. TSKgel SP-2SW L10 Nitrile groups chemically bonded to porous silica particles, 3 to 10µm in diameter. TSKgel CN-80Ts L11 Phenyl groups chemically bonded to porous silica particles, 1.5 to 10µm in diameter. TSKgel Super-Phenyl L13 Trimethylsilane chemically bonded to porous silica particles, 3 to 10µm in diameter. TSKgel TMS-250 L14 Silica gel having a chemically bonded, strongly basic quaternary ammonium anion-exchange coating, 5 to 10µm in diameter. TSKgel QAE-2SW L20 Dihydroxypropane groups chemically bonded to porous silica particles, 3 to 10µm in diameter. TSKgel SWXL, TSKgel SW, and TSKgel SuperSW series L21 A rigid, spherical styrene-divinylbenzene copolymer, 3 to 10µm in diameter. TSKgel Hxl, TSKgel HHR, TSKgel SuperH, TSKgel SuperHZ, and TSKgel SuperMultiporeHZ series L22 A cation-exchange resin made of porous polystyrene gel with sulfonic acid groups, about 10µm in size. TSKgel SCX L23 An anion-exchange resin made of porous polymethacrylate or polymethacrylate gel with quartenary ammonium groups, about 10µm in size. TSKgel SuperQ-5PW, TSKgel BioAssist Q, TSKgel IC-Anion-PW L24 A semi-rigid hydrophilic gel consisting of vinyl polymers with numerous hydroxyl groups in the matrix surface, 32 to 63µm in diameter. TOYOPEARL HW-type L25 Packing having the capacity to separate compounds with a molecular weight range from 100-5000 daltons (as determined by polyethylene oxide), applied to neutral, anionic, and cationic water-soluble polymers. TSKgel G2500PW, TSKgel 2500PWXL, and TSKgel G3000PWXL-CP L33 Packing having the capacity to separate dextrans by molecular size over a range of 4,000 to 500,000 daltons. It is spherical, silica-based, and processed to provide pH stability. TSKgel SuperSW, TSKgel SWXL, and TSKgel SW series L37 Packing having the capacity to separate proteins by molecular size over a range of 2,000 to 40,000 daltons. It is a polymethacrylate gel. TSKgel G3000PWXL, TSKgel G3000PW L38 A methacrylate-based size-exclusion packing for water-soluble samples. TSKgel PWXL, TSKgel PW, Alpha, and TSKgel SuperAW series L39 A hydrophilic polyhydroxymethacrylate gel of totally porous spherical resin. TSKgel PW, TSKgel PWXL, TSKgel Alpha, and TSKgel SuperAW series L52 A strong cation exchange resin made of porous silica with sulfopropyl groups, 5 to 10µm in diameter. TSKgel SP-2SW, TSKgel IC-Cation-SW L58 Strong cation-exchange resin consisting of sulfonated cross-linked styrene-divinylbenzene copolymer in the sodium form, about 6 to 30µm diameter. TSKgel SCX (Na+) L59 Packing having the capacity to separate proteins by molecular weight over the range of 5 to 7000 kDa. It is spherical (5 - 10µm), silica-based, and processed to provide hydrophilic characteristics and pH stability. TSKgel G2000SW, TSKgel G3000SW and TSKgel G4000SW